import type { DatabaseSync } from 'node:sqlite';
export interface NotificationResult {
    id: string;
    ownerId: string;
    workspaceId: string;
    subjectId: string;
}
export type PublicationDecision = ({
    action: 'settle';
} | {
    action: 'defer';
    until: number;
}) & {
    reason?: string;
};
/** Publishes only database work. Transport calls belong to NotificationDispatcher, outside this transaction. */
export declare class NotificationResultOutbox {
    private readonly db;
    private readonly publish;
    private readonly clock;
    constructor(db: DatabaseSync, publish: (result: NotificationResult) => PublicationDecision, clock?: () => number);
    drainOne(): boolean;
}